netdev - Re: [PATCH 0/1] net-next: Port Mirroring support for SR-IOV

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Message-ID: <20210531212401.205c6d06@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Mon, 31 May 2021 21:24:01 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Karthik Sundaravel <ksundara@...hat.com>
Cc:     Parav Pandit <parav@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "karthik.sundaravel@...il.com" <karthik.sundaravel@...il.com>,
        Christophe Fontaine <cfontain@...hat.com>,
        Veda Barrenkala <vbarrenk@...hat.com>,
        Vijay Chundury <vchundur@...hat.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [PATCH 0/1] net-next: Port Mirroring support for SR-IOV

On Mon, 31 May 2021 13:12:04 +0530 Karthik Sundaravel wrote:
> 1. While iproute and switchdev may be similar in their actions for
> port mirroring, they both have unique use-cases for it, switchdev uses
> it for flow replication and iproute uses it for port/device tracking.
> 2. Also some legacy devices do not support switchdev, and iproute
> provides a means of a port mirroring solution that covers a wide range
> of Network Interface Controllers out there today.

Hard no on extending legacy SR-IOV API.